| 摘要 |
An electrophoretic composition in the form of a dispersion containing a dispersion medium, and electrophretic particles dispersed in the dispersion medium and having a color selected from white and non-white colors. The dispersion medium includes a non-polar solvent, a sulfonic acid compound soluble at least partly in said non-polar solvent, and a polymeric material soluble in said non-polar solvent.
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